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P78-2 SCATHA environmental data atlasThe 100 eV to approximately 1 MeV plasma environment encountered by the P78-2 Spacecraft Charging at High Altitudes (SCATHA) satellite during its initial operation period was studied. Forty-four days of 10 minute averages of the four moments of the electron and ion distribution functions calculated from the SC5 and SC9 energetic particle measurements were analyzed to determine occurrence frequency, local time variation, geomagnetic activity variation, and L shell variation. The single and double Maxwellian parameters derived from the four moments were similarly analyzed. The interrelationships between the moments and derived parameters were computed and the results compared with the ATS-5 and ATS-6 atlas. Results of this analysis establish a baseline range for the SCATHA plasma environment.
Document ID
19820006391
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mulen, E. G.
(AFGL Pasadena, CA, United States)
Hardy, D. A.
(AFGL San Diego, United States)
Garrett, H. B.
(Jet Propulsion Lab., California Inst. of Tech.)
Whipple, E. C.
(California Univ.)
Date Acquired
August 10, 2013
Publication Date
October 1, 1980
Publication Information
Publication: NASA. Lewis Research Center Spacecraft Charging Technol., 1980
Subject Category
Spacecraft Design, Testing And Performance
Accession Number
82N14264
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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